A 4-speed automatic is optional; it supplants a 3-speed automatic for 03. All Wranglers have Jeeps Command-Trac 4WD that must be disengaged on dry pavement but includes low-range gearing. Four-wheel disc brakes are standard on Rubicon and optional on Sport and Sahara for 03; the SE and X stay with rear drums. ABS is available on all but the Rubicon and SE. A 30-inch tire package is standard on Sahara, optional on Sport. Rubicon is intended for severe off-road use and comes with 31-inch-equivalen...